Fits: 2017-2019 GM 2500/3500 w/6.6L Duramax w/Allison trans
The 2017+ GM Duramax trucks are finally starting to accumulate enough miles to show a few weak spots. One of these is the tendency for the transmission lines to rub through on the frame side of the passenger bumper mount. The fix is a new transmission line retainer that prevents this from happening
Part Number: 78400
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